---
title: "Retrieve a topic subscription"
method: GET
path: "/v2/topics/{topicKey}/subscriptions/{identifier}"
tags: ["Topics"]
---

# Retrieve a topic subscription

`GET /v2/topics/{topicKey}/subscriptions/{identifier}`

## Request

- Base URL: `https://api.notifly.io`
- URL: `https://api.notifly.io/v2/topics/{topicKey}/subscriptions/{identifier}`
- Auth: API key in header `Authorization`

Retrieve a subscription by its unique identifier for a topic.

## Path parameters

- `topicKey` string, required
- `identifier` string, required

## Response `200`

OK

- object
  - `data` SubscriptionDetailsResponseDto
    - `id` string, required: The unique identifier of the subscription
    - `identifier` string: The identifier of the subscription
    - `name` string: The name of the subscription
    - `preferences` SubscriptionPreferenceDto[]: The preferences/rules for the subscription
      - `subscriptionId` string, required: The unique identifier of the subscription
      - `workflow` WorkflowDto
        - `id` string, required: Unique identifier of the workflow
        - `identifier` string, required: Workflow identifier used for triggering
        - `name` string, required: Human-readable name of the workflow
        - `critical` boolean, required: Whether this workflow is marked as critical
        - `tags` string[]: Tags associated with the workflow
        - `data` object: Custom data associated with the workflow
        - `severity` 'high' | 'medium' | 'low' | 'none', required: Severity of the workflow
      - `enabled` boolean, required: Whether the preference is enabled
      - `condition` object: Optional JSON Logic condition evaluated against the trigger payload at fan-out time (for example, `{ "var": "payload.tier" }`)
    - `contextKeys` string[]: Context keys that scope this subscription (e.g., tenant:org-a, project:proj-123)

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `405`: Method Not Allowed
- `409`: Conflict
- `413`: Payload Too Large
- `414`: URI Too Long
- `415`: Unsupported Media Type
- `422`: Unprocessable Entity
- `429`: The client has sent too many requests in a given amount of time.
- `500`: Internal Server Error
- `503`: The server is currently unable to handle the request due to a temporary overload or scheduled maintenance, which will likely be alleviated after some delay.

---

[API](https://skmtc.dev/notifly/apis/notifly-api.md) · [All operations](https://skmtc.dev/notifly/apis/notifly-api/llms.txt) · [OpenAPI document](https://skmtc.dev/notifly/apis/notifly-api/revisions/af909b9e1e57?raw)